Home / 6,966.90-10,449.15-1,969.63

Finding the Fourth Proportional to 6,966.90, 10,449.15 and 1,969.63

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Solution

The fourth proportional to 6,966.90, 10,449.15 and 1,969.63 is: 2,954.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,966.90 : 10,449.15 = 1,969.63 : x
  2. Step 2: Convert to fraction form
    6,966.90/10,449.15 = 1,969.63/x
  3. Step 3: Cross multiply
    6,966.90x = 10,449.15 × 1,969.63
  4. Step 4: Simplify right side
    6,966.90x = 20,580,925.81
  5. Step 5: Solve for x
    x = 20,580,925.81/6,966.90
  6. Step 6: Final answer
    x = 2,954.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.